Sentence Examples


  • Lodge, Signalling across Space without Wires (3rd ed.
  • Between 1858 and 1868 he was employed in home waters on a variety of special services, chiefly connected with gunnery, signalling and the tactical characteristics and capacities of steam warships.
  • Among the subjects to which he especially directed his attention were the explosive force of gunpowder, the construction of firearms, and a system of signalling at sea.
  • It possesses depots for artillery and mines, a meteorological observatory and a signalling station.
  • If the positive is called the signalling current, the line will be charged positively each time a signal is sent; but as soon as the signal is completed a negative charge is communicated FIG.
 

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